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d490ad Niklas Polke 2026-08-03 16:07:13
Create UFW
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# UFW
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Uncomplicated FireWall
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## Installation
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```bash
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sudo apt install ufw
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```
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## Configuration
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:::warning
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If port 22/tcp is not allowed, ssh will be terminated and no connection will be possible any more!
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:::
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```bash
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sudo ufw default deny incoming
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sudo ufw default allow outgoing
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sudo ufw allow 22/tcp # SSH
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sudo ufw allow 80/tcp # HTTP
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sudo ufw allow 443/tcp # HTTPS
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sudo ufw enable
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```